Unscored severity · published Oct 19, 2013
CVE-2013-6021
Buffer overflow in WGagent in WatchGuard WSM and Fireware before 11.8 allows remote attackers to execute arbitrary code via a long sessionid value in a cookie
–
CVSS
11.7%
EPSS
No
On KEV
Description
Buffer overflow in WGagent in WatchGuard WSM and Fireware before 11.8 allows remote attackers to execute arbitrary code via a long sessionid value in a cookie.
Exploitation
Is it being used?
Exploit prediction (EPSS)11.7% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Fireware · Watchguard
through 11.7.4; 11.0.2; 11.1; 11.2.3; 11.3; 11.3.6; +6 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2013-6021
CVE.org
https://www.cve.org/CVERecord?id=CVE-2013-6021
osvdb.org
http://osvdb.org/98752
Vendor Advisory
http://watchguardsecuritycenter.com/2013/10/17/watchguard-dimension-and-fireware-xtm-11-8/
Vendor Advisory
http://watchguardsecuritycenter.com/2013/10/17/xtm-11-8-secfixes/
Exploit
http://www.exploit-db.com/exploits/29273
Patch
http://www.kb.cert.org/vuls/id/233990
Exploit
http://www.securityfocus.com/bid/63227
More from Fireware
9.8
CVE-2025-14733
WatchGuard Firebox iked Out of Bounds Write Vulnerability
9.8
CVE-2025-9242
WatchGuard Firebox iked Out of Bounds Write Vulnerability
9.8
CVE-2022-26318
WatchGuard Firebox and XTM Appliances Arbitrary Code Execution
8.8
CVE-2022-23176
WatchGuard Firebox and XTM Privilege Escalation Vulnerability
9.8
CVE-2026-86131
Fireware OS Code Injection in BOVPN Over TLS Client Allows Remote Code Execution